зеркало из https://github.com/github/ruby.git
53 строки
1.5 KiB
Ruby
53 строки
1.5 KiB
Ruby
require File.expand_path(File.join(__dir__, 'case'))
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module Racc
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class TestScanY < TestCase
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def setup
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super
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file = File.join(ASSET_DIR, 'scan.y')
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@debug_flags = Racc::DebugFlags.parse_option_string('o')
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parser = Racc::GrammarFileParser.new(@debug_flags)
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@result = parser.parse(File.read(file), File.basename(file))
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@states = Racc::States.new(@result.grammar).nfa
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@states.dfa
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end
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def test_compile
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generator = Racc::ParserFileGenerator.new(@states, @result.params.dup)
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# it generates valid ruby
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assert Module.new {
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self.class_eval(generator.generate_parser)
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}
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grammar = @states.grammar
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assert_equal 0, @states.n_srconflicts
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assert_equal 0, @states.n_rrconflicts
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assert_equal 0, grammar.n_useless_nonterminals
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assert_equal 0, grammar.n_useless_rules
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assert_nil grammar.n_expected_srconflicts
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end
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def test_compile_line_convert
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params = @result.params.dup
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params.convert_line_all = true
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generator = Racc::ParserFileGenerator.new(@states, @result.params.dup)
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# it generates valid ruby
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assert Module.new {
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self.class_eval(generator.generate_parser)
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}
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grammar = @states.grammar
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assert_equal 0, @states.n_srconflicts
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assert_equal 0, @states.n_rrconflicts
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assert_equal 0, grammar.n_useless_nonterminals
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assert_equal 0, grammar.n_useless_rules
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assert_nil grammar.n_expected_srconflicts
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end
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end
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end
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